21401500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1903

約数の個数: 48

約数和(自身を含む): 48799296

約数和(自身を除く): 27397796

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1861, 2300, 2875, 3722, 5750, 7444, 9305, 11500, 18610, 37220, 42803, 46525, 85606, 93050, 171212, 186100, 214015, 232625, 428030, 465250, 856060, 930500, 1070075, 2140150, 4280300, 5350375, 10700750, 21401500]

約数ペア:

[(1, 21401500), (2, 10700750), (4, 5350375), (5, 4280300), (10, 2140150), (20, 1070075), (23, 930500), (25, 856060), (46, 465250), (50, 428030), (92, 232625), (100, 214015), (115, 186100), (125, 171212), (230, 93050), (250, 85606), (460, 46525), (500, 42803), (575, 37220), (1150, 18610), (1861, 11500), (2300, 9305), (2875, 7444), (3722, 5750)]